#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>


 //Definition for a binary tree node.
  struct TreeNode {
      int val;
      struct TreeNode *left;
      struct TreeNode *right;
  };


#include<stdbool.h>
bool checkTree(struct TreeNode* root) {
    if (root->val == (root->left->val + root->right->val))
        return true;
    else
        return false;
}

int main()
{

	return 0;
}